128216641 is an odd 9-digits composite number following 128216640
and preceding 128216642 . In scientific notation, it is written as 1.28216641 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 109820448 positive integers (up to 128216641) that are relatively prime to 128216641.
128216641 has 8 divisors, whose sum is 146639360
The reverse of 128216641 is 146612821
Previous prime number is 1567
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million two hundred sixteen thousand six hundred forty-one
Scientific notation
1.28216641 × 10^8
Engineering notation
1.28216641 × 10^6
Prime Factorization
7 × 1567 × 11689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128216641
Product of the distinct prime numbers
The prime factorization of 128216641 is 7 × 1567 × 11689.
Since it has a total of 3 prime factors.
1 , 10 , 80 , 64 , 523 , 353 , 3549 , 7029 , 21267 , 63628 , 913235 , 859786 , 6062073 , 286585 , 21365417 , 10343091 , 763137278 , 200150320 , 6277758517 , 1341969785
n×2
256433282
n×3
384649923
n×4
512866564
n×5
641083205
n÷2
64108320.5
n÷3
42738880.333333
n÷3
32054160.25
n÷5
25643328.2
n2
16439507029322881
n3
2.1078183709957E+24
n4
2.7025739136716E+32
n5
3.4651494926519E+40
2 √n
11323.278721289
3 √n
504.25258319804
4 √n
106.41089568878
5 √n
41.839730553241
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216641 can be divided by 8 positive divisors.
The sum of these divisors (counting 128216641) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000110111001000001
3
Ternary
22221021002011111
4
Quaternary
13221012321001
5
Quinary
230310413031
6
Senary
20420043321
8
Octal
751067101
10
Decimal
128216641
12
Duodecimal
36b33541
16
Hexadecimal
7a46e41
20
Vigesimal
20171c1
36
Base36
24c4ld
md5
7d104b653fdedb1d8f5a4d414d8fc81e
sha1
753988985db7f0f7e8de25738b15c2d0808585dd
sha256
13affa58474ea9f930f938f31586bba4d82868c4672424a2393ea2920da15095
sha512
773b0082db62c67c705e4e62216c10ffa619931866a8ad99bf9c8df1b5b5add76fb6eedc085382f8fd33533cbadfec20757d5f18b7f744119de2cbea460082a2
ripemd-160
5dbc33ba8556984d1052f3e5f971b2b56d487851
Diameter
256433282
Circumference
805608914.86712
Area
5.1646234511959E+16
Volume
8.8292089458955E+24
Surface area
2.0658493804783E+17
Circumference
805608914.86712
Perimeter
512866564
Area
16439507029322881
Diagonal
181325712.62412
Surface area
98637042175937286
Volume
2.1078183709957E+24
Space diagonal
222077736.58782
Perimeter
384649923
Area
7.1185153565432E+15
Altitude
111038868.29391
Surface area
7.1185153565432E+15
Volume
2.4840877727344E+23
Height
60441904.208041